linux-kernel - [PATCH 0/3] Add Mali GPU support for Mediatek MT8370 SoC

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Message-Id: <20250116-mt8370-enable-gpu-v1-0-0a6b78e925c8@collabora.com>
Date: Thu, 16 Jan 2025 15:25:56 +0100
From: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Boris Brezillon <boris.brezillon@...labora.com>, 
 Steven Price <steven.price@....com>
Cc: kernel@...labora.com, dri-devel@...ts.freedesktop.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
Subject: [PATCH 0/3] Add Mali GPU support for Mediatek MT8370 SoC

This patchset adds the support of the ARM Mali G57 MC2 GPU (Valhall-JM,
dual core), integrated in the Mediatek MT8370 SoC, to the panfrost driver
and to the mt8370.dtsi include file.

I've testing this patchset on a Mediatek Genio 510 EVK board,
with a kernel based on linux-next (tag: next-20250113) plus [1] patchset.

The panfrost driver probed with the following messages:
```
panfrost 13000000.gpu: clock rate = 390000000
panfrost 13000000.gpu: mali-g57 id 0x9093 major 0x0 minor 0x0 status 0x0
panfrost 13000000.gpu: features: 00000000,000019f7, issues: 00000003,
  80000400
panfrost 13000000.gpu: Features: L2:0x08130206 Shader:0x00000000
  Tiler:0x00000809 Mem:0x1 MMU:0x00002830 AS:0xff JS:0x7
panfrost 13000000.gpu: shader_present=0x5 l2_present=0x1
[drm] Initialized panfrost 1.3.0 for 13000000.gpu on minor 0
```

[1] https://lore.kernel.org/linux-mediatek/20250115-dts_mt8370-genio-510-v2-0-fc9b01d08834@collabora.com/

Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
---
Louis-Alexis Eyraud (3):
      dt-bindings: gpu: mali-bifrost: Add compatible for MT8370 SoC
      drm/panfrost: Add support for Mali on the MT8370 SoC
      arm64: dts: mediatek: mt8370: Enable gpu support

 Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml |  5 ++++-
 arch/arm64/boot/dts/mediatek/mt8370.dtsi                    |  9 +++++++++
 drivers/gpu/drm/panfrost/panfrost_drv.c                     | 10 ++++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)
---
base-commit: 37136bf5c3a6f6b686d74f41837a6406bec6b7bc
change-id: 20250115-mt8370-enable-gpu-3b6f595fa63d
prerequisite-change-id: 20250113-dts_mt8370-genio-510-3560b8010ba9:v2
prerequisite-patch-id: af53ae39240467340ac4c9cdbc8fdd949c5457a2
prerequisite-patch-id: ca07485956f81c1a40029b48d2b4bcf00d74fc13
prerequisite-patch-id: c34d9870b2c61d87ad8a6facba13d8970682e679
prerequisite-patch-id: 48784acdcdd8b886fdec9f21c9cb88abb327e2e1

Best regards,
-- 
Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>